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Finding the Fourth Proportional to 45,835.62, 68,709.69 and 14,649.54

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Solution

The fourth proportional to 45,835.62, 68,709.69 and 14,649.54 is: 21,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,835.62 : 68,709.69 = 14,649.54 : x
  2. Step 2: Convert to fraction form
    45,835.62/68,709.69 = 14,649.54/x
  3. Step 3: Cross multiply
    45,835.62x = 68,709.69 × 14,649.54
  4. Step 4: Simplify right side
    45,835.62x = 1,006,565,352.04
  5. Step 5: Solve for x
    x = 1,006,565,352.04/45,835.62
  6. Step 6: Final answer
    x = 21,960.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.